Resource exhaustion in Linux kernel - CVE-2021-3679

 

Resource exhaustion in Linux kernel - CVE-2021-3679

Published: May 25, 2022


Vulnerability identifier: #VU63664
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3679
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to lack of CPU resource in the Linux kernel tracing module functionality when using trace ring buffer in a specific way. A privileged local user (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.


Affected software

Linux kernel
ClevOS
Amazon Linux AMI
SUSE CaaS Platform
SUSE MicroOS
SUSE Enterprise Storage
Anolis OS
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
HPE Helion Openstack
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
SUSE Linux Enterprise Server
SUSE Linux Enterprise Debuginfo
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Availability
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Real Time Extension
SUSE Linux Enterprise Workstation Extension
Slackware Linux
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Live Patching
SUSE Linux Enterprise Module for Legacy Software
SUSE Linux Enterprise Module for Development Tools
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Realtime
SUSE Linux Enterprise Module for Public Cloud
openEuler
linux-oem-5.10 (Ubuntu package)
linux-image-aws-hwe (Ubuntu package)
kernel-livepatch-4_12_14-150_78-default
kernel-livepatch-4_12_14-150_78-default-debuginfo
kernel-livepatch-4_12_14-197_102-default
kgraft-patch-4_4_180-94_150-default
kgraft-patch-4_4_180-94_150-default-debuginfo
kernel-livepatch-5_3_18-24_83-default-debuginfo
kernel-livepatch-5_3_18-24_83-default
kernel-livepatch-SLE15-SP2_Update_19-debugsource
kgraft-patch-4_12_14-95_83-default
kernel-livepatch-SLE15-SP3_Update_6-debugsource
kernel-livepatch-5_3_18-59_24-default-debuginfo
kernel-livepatch-5_3_18-59_24-default
kgraft-patch-4_12_14-122_88-default
kernel-ppc64-extra
kernel-default-debuginfo
kernel-default-debugsource
kernel-trace-debuginfo
kernel-trace-debugsource
kernel-default-devel-debuginfo
kernel-trace-devel-debuginfo
kernel-ec2-debuginfo
kernel-ec2-debugsource
kernel-xen-debuginfo
kernel-xen-debugsource
kernel-xen-devel-debuginfo
kernel-bigmem-debuginfo
kernel-bigmem-debugsource
kernel-ppc64-debuginfo
kernel-ppc64-debugsource
kernel-pae-debuginfo
kernel-pae-devel-debuginfo
kernel-bigmem
kernel-default-base
kernel-default
kernel-default-devel
kernel-source
kernel-syms
kernel-trace
kernel-trace-base
kernel-trace-devel
kernel-ec2
kernel-ec2-base
kernel-ec2-devel
kernel-xen
kernel-xen-base
kernel-xen-devel
kernel-pae-extra
kernel-bigmem-base
kernel-bigmem-devel
kernel-ppc64
kernel-ppc64-base
kernel-ppc64-devel
kernel-default-man
kernel-pae
kernel-pae-base
kernel-pae-devel
kernel-default-extra
kernel-xen-extra
kernel-trace-extra
kernel-pae-debugsource
kernel-default-base-debuginfo
kernel-macros
kernel-devel
kernel-default-kgraft
cluster-md-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
dlm-kmp-default
kernel-devel-rt
kernel-source-rt
kernel-syms-rt
kernel-rt_debug
kernel-rt-devel-debuginfo
kernel-rt-devel
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-rt-base-debuginfo
kernel-rt-base
kernel-rt
gfs2-kmp-rt-debuginfo
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
dlm-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt_debug-debugsource
cluster-md-kmp-rt
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-devel-debuginfo
kernel-rt_debug-debuginfo
kernel-source-azure
kernel-syms-azure
kernel-devel-azure
kernel-azure
kernel-azure-devel
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-azure-base-debuginfo
kernel-azure-base
kernel-default-kgraft-devel
kernel-default-extra-debuginfo
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
kernel-zfcpdump-debugsource
kernel-default-livepatch
kernel-zfcpdump-debuginfo
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-vanilla-debugsource
kernel-vanilla-debuginfo
kernel-vanilla-base-debuginfo
kernel-vanilla-base
kernel-default-livepatch-devel
kernel
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-tools
python2-perf-debuginfo
kernel-debuginfo
perf-debuginfo
bpftool
kernel-tools-devel
bpftool-debuginfo
python3-perf
python2-perf
kernel-debugsource
perf
python3-perf-debuginfo
kernel-tools-debuginfo
kernel-core
kernel-debug
kernel-debug-core
kernel-debug-modules
kernel-debug-devel
kernel-tools-libs-devel
kernel-tools-libs
kernel-modules-internal
kernel-modules-extra
kernel-modules
kernel-headers
kernel-debug-modules-extra
python-perf
kernel-azure-devel-debuginfo
kernel-preempt-extra
kernel-preempt
kernel-preempt-extra-debuginfo
kernel-preempt-debuginfo
kernel-preempt-debugsource
kernel-preempt-devel
kernel-preempt-devel-debuginfo
kernel-zfcpdump
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel
kernel-64kb-devel-debuginfo
linux-4.4.301/kernel-modules
linux-4.4.301/kernel-huge
linux-4.4.301/kernel-generic
linux-4.4.301/kernel-headers
linux-image-aws (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-4.4.0-219-lowlatency (Ubuntu package)
linux-image-4.4.0-1100-kvm (Ubuntu package)
linux-image-4.4.0-1135-aws (Ubuntu package)
linux-image-4.4.0-219-generic (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-4.4.0-1099-aws (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-4.15.0-159-generic-lpae (Ubuntu package)
linux-image-4.15.0-159-generic (Ubuntu package)
linux-image-4.15.0-159-lowlatency (Ubuntu package)
linux-image-4.15.0-1028-dell300x (Ubuntu package)
linux-image-4.15.0-1081-oracle (Ubuntu package)
linux-image-4.15.0-1096-raspi2 (Ubuntu package)
linux-image-4.15.0-1100-kvm (Ubuntu package)
linux-image-4.15.0-1109-gcp (Ubuntu package)
linux-image-4.15.0-1112-aws (Ubuntu package)
linux-image-4.15.0-1113-snapdragon (Ubuntu package)
linux-image-4.15.0-1124-azure (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-virtual-hwe-16.04 (Ubuntu package)
linux-image-lowlatency-hwe-16.04 (Ubuntu package)
linux-image-generic-hwe-16.04 (Ubuntu package)
linux-image-dell300x (Ubuntu package)
linux-image-oracle-lts-18.04 (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-gcp-lts-18.04 (Ubuntu package)
linux-image-aws-lts-18.04 (Ubuntu package)
linux-image-snapdragon (Ubuntu package)
linux-image-azure-lts-18.04 (Ubuntu package)
linux-image-5.4.0-87-generic (Ubuntu package)
linux-image-5.4.0-87-generic-lpae (Ubuntu package)
linux-image-5.4.0-87-lowlatency (Ubuntu package)
linux-image-5.4.0-88-generic-lpae (Ubuntu package)
linux-image-5.4.0-88-generic (Ubuntu package)
linux-image-5.4.0-88-lowlatency (Ubuntu package)
linux-image-5.4.0-1024-gkeop (Ubuntu package)
linux-image-5.4.0-1044-raspi (Ubuntu package)
linux-image-5.4.0-1047-kvm (Ubuntu package)
linux-image-5.4.0-1053-gke (Ubuntu package)
linux-image-5.4.0-1053-gcp (Ubuntu package)
linux-image-5.4.0-1055-oracle (Ubuntu package)
linux-image-5.4.0-1057-aws (Ubuntu package)
linux-image-5.4.0-1059-azure (Ubuntu package)
linux-image-5.4.0-1061-azure (Ubuntu package)
linux-image-oem-osp1 (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-generic-lpae-hwe-18.04 (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-raspi-hwe-18.04 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-gke-5.4 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-gcp-lts-20.04 (Ubuntu package)
linux-image-oracle-lts-20.04 (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-aws-lts-20.04 (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-azure-lts-20.04 (Ubuntu package)
linux-image-5.11.0-37-generic-lpae (Ubuntu package)
linux-image-5.11.0-37-generic (Ubuntu package)
linux-image-5.11.0-37-generic-64k (Ubuntu package)
linux-image-5.11.0-37-lowlatency (Ubuntu package)
linux-image-5.11.0-1017-azure (Ubuntu package)
linux-image-5.11.0-1017-kvm (Ubuntu package)
linux-image-5.11.0-1019-azure (Ubuntu package)
linux-image-5.11.0-1019-aws (Ubuntu package)
linux-image-5.11.0-1019-oracle (Ubuntu package)
linux-image-5.11.0-1019-raspi (Ubuntu package)
linux-image-5.11.0-1019-raspi-nolpae (Ubuntu package)
linux-image-5.11.0-1020-gcp (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-azure-edge (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.13.0-1014-oem (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)

How to mitigate CVE-2021-3679

Install updates from vendor's website.

Linux kernel - update to 5.14 rc3
linux-oem-5.10 (Ubuntu package) - update to 5.10.0-1050.52
linux-image-aws-hwe (Ubuntu package) - update to Ubuntu Pro (Infra-only)
kernel-livepatch-4_12_14-150_78-default - update to 1-1.3.1
kernel-livepatch-4_12_14-150_78-default-debuginfo - update to 1-1.3.1
kernel-livepatch-4_12_14-197_102-default - update to 1-3.3.1
kgraft-patch-4_4_180-94_150-default - update to 1-4.3.1
kgraft-patch-4_4_180-94_150-default-debuginfo - update to 1-4.3.1
kernel-livepatch-5_3_18-24_83-default-debuginfo - update to 1-5.3.4
kernel-livepatch-5_3_18-24_83-default - update to 1-5.3.4
kernel-livepatch-SLE15-SP2_Update_19-debugsource - update to 1-5.3.4
kgraft-patch-4_12_14-95_83-default - update to 1-6.3.1
kernel-livepatch-SLE15-SP3_Update_6-debugsource - update to 1-7.5.1
kernel-livepatch-5_3_18-59_24-default-debuginfo - update to 1-7.5.1
kernel-livepatch-5_3_18-59_24-default - update to 1-7.5.1
kgraft-patch-4_12_14-122_88-default - update to 1-8.5.1
kernel-ppc64-extra - update to 3.0.101-108.132.1
kernel-default-debuginfo - addressed in versions 3.0.101-108.132.1, 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-default-debugsource - addressed in versions 3.0.101-108.132.1, 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-trace-debuginfo - update to 3.0.101-108.132.1
kernel-trace-debugsource - update to 3.0.101-108.132.1
kernel-default-devel-debuginfo - addressed in versions 3.0.101-108.132.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-trace-devel-debuginfo - update to 3.0.101-108.132.1
kernel-ec2-debuginfo - update to 3.0.101-108.132.1
kernel-ec2-debugsource - update to 3.0.101-108.132.1
kernel-xen-debuginfo - update to 3.0.101-108.132.1
kernel-xen-debugsource - update to 3.0.101-108.132.1
kernel-xen-devel-debuginfo - update to 3.0.101-108.132.1
kernel-bigmem-debuginfo - update to 3.0.101-108.132.1
kernel-bigmem-debugsource - update to 3.0.101-108.132.1
kernel-ppc64-debuginfo - update to 3.0.101-108.132.1
kernel-ppc64-debugsource - update to 3.0.101-108.132.1
kernel-pae-debuginfo - update to 3.0.101-108.132.1
kernel-pae-devel-debuginfo - update to 3.0.101-108.132.1
kernel-bigmem - update to 3.0.101-108.132.1
kernel-default-base - addressed in versions 3.0.101-108.132.1, 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2.9.38.3, 5.3.18-59.24.1.18.12.1
kernel-default - addressed in versions 3.0.101-108.132.1, 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-default-devel - addressed in versions 3.0.101-108.132.1, 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-source - addressed in versions 3.0.101-108.132.1, 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.1, 5.3.18-59.24.1
kernel-syms - addressed in versions 3.0.101-108.132.1, 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.1, 5.3.18-59.24.1
kernel-trace - update to 3.0.101-108.132.1
kernel-trace-base - update to 3.0.101-108.132.1
kernel-trace-devel - update to 3.0.101-108.132.1
kernel-ec2 - update to 3.0.101-108.132.1
kernel-ec2-base - update to 3.0.101-108.132.1
kernel-ec2-devel - update to 3.0.101-108.132.1
kernel-xen - update to 3.0.101-108.132.1
kernel-xen-base - update to 3.0.101-108.132.1
kernel-xen-devel - update to 3.0.101-108.132.1
kernel-pae-extra - update to 3.0.101-108.132.1
kernel-bigmem-base - update to 3.0.101-108.132.1
kernel-bigmem-devel - update to 3.0.101-108.132.1
kernel-ppc64 - update to 3.0.101-108.132.1
kernel-ppc64-base - update to 3.0.101-108.132.1
kernel-ppc64-devel - update to 3.0.101-108.132.1
kernel-default-man - addressed in versions 3.0.101-108.132.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2
kernel-pae - update to 3.0.101-108.132.1
kernel-pae-base - update to 3.0.101-108.132.1
kernel-pae-devel - update to 3.0.101-108.132.1
kernel-default-extra - addressed in versions 3.0.101-108.132.1, 4.12.14-122.88.1, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-xen-extra - update to 3.0.101-108.132.1
kernel-trace-extra - update to 3.0.101-108.132.1
kernel-pae-debugsource - update to 3.0.101-108.132.1
kernel-default-base-debuginfo - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-197.102.2
kernel-macros - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.1, 5.3.18-59.24.1
kernel-devel - addressed in versions 4.4.121-92.161.1, 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.1, 5.3.18-59.24.1
kernel-default-kgraft - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1
cluster-md-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
dlm-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
gfs2-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
gfs2-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
ocfs2-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
dlm-kmp-default - addressed in versions 4.4.180-94.150.1, 4.12.14-95.83.2, 4.12.14-122.88.1, 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-devel-rt - addressed in versions 4.12.14-10.57.1, 5.3.18-51.1
kernel-source-rt - addressed in versions 4.12.14-10.57.1, 5.3.18-51.1
kernel-syms-rt - addressed in versions 4.12.14-10.57.1, 5.3.18-51.1
kernel-rt_debug - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt-devel-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt-devel - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt-debugsource - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt-base-debuginfo - update to 4.12.14-10.57.2
kernel-rt-base - update to 4.12.14-10.57.2
kernel-rt - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
gfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
gfs2-kmp-rt - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
dlm-kmp-rt-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
dlm-kmp-rt - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
cluster-md-kmp-rt-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt_debug-devel - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt_debug-debugsource - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
cluster-md-kmp-rt - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
ocfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
ocfs2-kmp-rt - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt_debug-devel-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-rt_debug-debuginfo - addressed in versions 4.12.14-10.57.2, 5.3.18-51.2
kernel-source-azure - addressed in versions 4.12.14-16.73.1, 5.3.18-18.66.1, 5.3.18-38.22.1
kernel-syms-azure - addressed in versions 4.12.14-16.73.1, 5.3.18-18.66.1, 5.3.18-38.22.1
kernel-devel-azure - addressed in versions 4.12.14-16.73.1, 5.3.18-18.66.1, 5.3.18-38.22.1
kernel-azure - addressed in versions 4.12.14-16.73.2, 5.3.18-18.66.2, 5.3.18-38.22.2
kernel-azure-devel - addressed in versions 4.12.14-16.73.2, 5.3.18-18.66.2, 5.3.18-38.22.2
kernel-azure-debugsource - addressed in versions 4.12.14-16.73.2, 5.3.18-18.66.2, 5.3.18-38.22.2
kernel-azure-debuginfo - addressed in versions 4.12.14-16.73.2, 5.3.18-18.66.2, 5.3.18-38.22.2
kernel-azure-base-debuginfo - update to 4.12.14-16.73.2
kernel-azure-base - update to 4.12.14-16.73.2
kernel-default-kgraft-devel - addressed in versions 4.12.14-95.83.2, 4.12.14-122.88.1
kernel-default-extra-debuginfo - addressed in versions 4.12.14-122.88.1, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-docs - addressed in versions 4.12.14-122.88.1, 4.12.14-150.78.2, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-obs-build-debugsource - addressed in versions 4.12.14-122.88.2, 4.12.14-150.78.2, 4.12.14-197.102.1, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-obs-build - addressed in versions 4.12.14-122.88.2, 4.12.14-150.78.2, 4.12.14-197.102.1, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-zfcpdump-debugsource - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-59.24.1
kernel-default-livepatch - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-zfcpdump-debuginfo - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-59.24.1
reiserfs-kmp-default-debuginfo - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
reiserfs-kmp-default - addressed in versions 4.12.14-150.78.1, 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-vanilla-debugsource - update to 4.12.14-150.78.1
kernel-vanilla-debuginfo - update to 4.12.14-150.78.1
kernel-vanilla-base-debuginfo - update to 4.12.14-150.78.1
kernel-vanilla-base - update to 4.12.14-150.78.1
kernel-default-livepatch-devel - addressed in versions 4.12.14-197.102.2, 5.3.18-24.83.2, 5.3.18-59.24.1
kernel - update to 4.14.248-129.473
kernel (Red Hat package) - update to 4.18.0-348.el8
kernel-rt (Red Hat package) - update to 4.18.0-348.rt7.130.el8
kernel-tools - update to 4.19.90-2108.5.0.0103
python2-perf-debuginfo - update to 4.19.90-2108.5.0.0103
kernel-debuginfo - update to 4.19.90-2108.5.0.0103
kernel-devel - update to 4.19.90-2108.5.0.0103
perf-debuginfo - update to 4.19.90-2108.5.0.0103
bpftool - update to 4.19.90-2108.5.0.0103
kernel-tools-devel - update to 4.19.90-2108.5.0.0103
bpftool-debuginfo - update to 4.19.90-2108.5.0.0103
python3-perf - update to 4.19.90-2108.5.0.0103
python2-perf - update to 4.19.90-2108.5.0.0103
kernel - update to 4.19.90-2108.5.0.0103
kernel-debugsource - update to 4.19.90-2108.5.0.0103
perf - update to 4.19.90-2108.5.0.0103
python3-perf-debuginfo - update to 4.19.90-2108.5.0.0103
kernel-source - update to 4.19.90-2108.5.0.0103
kernel-tools-debuginfo - update to 4.19.90-2108.5.0.0103
perf - addressed in versions 4.19.91-25.6, 4.19.91-26
bpftool - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel-core - update to 4.19.91-25.6
kernel-debug - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel-debug-core - update to 4.19.91-25.6
kernel-debug-modules - update to 4.19.91-25.6
kernel-debug-devel - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel-tools-libs-devel - addressed in versions 4.19.91-25.6, 4.19.91-26
python3-perf - update to 4.19.91-25.6
kernel-tools-libs - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel-tools - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel-modules-internal - update to 4.19.91-25.6
kernel-modules-extra - update to 4.19.91-25.6
kernel-modules - update to 4.19.91-25.6
kernel-headers - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel-devel - addressed in versions 4.19.91-25.6, 4.19.91-26
kernel-debug-modules-extra - update to 4.19.91-25.6
python-perf - update to 4.19.91-26
kernel-azure-devel-debuginfo - addressed in versions 5.3.18-18.66.2, 5.3.18-38.22.2
kernel-preempt-extra - addressed in versions 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-preempt - addressed in versions 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-preempt-extra-debuginfo - addressed in versions 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-preempt-debuginfo - addressed in versions 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-preempt-debugsource - addressed in versions 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-preempt-devel - addressed in versions 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-preempt-devel-debuginfo - addressed in versions 5.3.18-24.83.2, 5.3.18-59.24.1
kernel-zfcpdump - update to 5.3.18-59.24.1
kernel-64kb - update to 5.3.18-59.24.1
kernel-64kb-debuginfo - update to 5.3.18-59.24.1
kernel-64kb-debugsource - update to 5.3.18-59.24.1
kernel-64kb-devel - update to 5.3.18-59.24.1
kernel-64kb-devel-debuginfo - update to 5.3.18-59.24.1
linux-4.4.301/kernel-modules - update to 4.4.301
linux-4.4.301/kernel-huge - update to 4.4.301
linux-4.4.301/kernel-generic - update to 4.4.301
linux-4.4.301/kernel-headers - update to 4.4.301_smp
linux-image-aws (Ubuntu package) - addressed in versions 4.4.0.219.226, 5.4.0.1057.40, 5.11.0.1019.20~20.04.18
linux-image-generic (Ubuntu package) - addressed in versions 4.4.0.219.226, 4.15.0.159.148, 5.4.0.88.92, 5.11.0.37.39
linux-image-4.4.0-219-lowlatency (Ubuntu package) - update to 4.4.0.219.226
linux-image-4.4.0-1100-kvm (Ubuntu package) - update to 4.4.0.219.226
linux-image-4.4.0-1135-aws (Ubuntu package) - update to 4.4.0.219.226
linux-image-4.4.0-219-generic (Ubuntu package) - update to 4.4.0.219.226
linux-image-kvm (Ubuntu package) - addressed in versions 4.4.0.219.226, 4.15.0.1100.96, 5.4.0.1047.46, 5.11.0.1017.18
linux-image-lowlatency (Ubuntu package) - addressed in versions 4.4.0.219.226, 4.15.0.159.148, 5.4.0.88.92, 5.11.0.37.39
linux-image-generic-lts-xenial (Ubuntu package) - update to 4.4.0.219.226
linux-image-virtual (Ubuntu package) - addressed in versions 4.4.0.219.226, 4.15.0.159.148, 5.4.0.88.92, 5.11.0.37.39
linux-image-virtual-lts-xenial (Ubuntu package) - update to 4.4.0.219.226
linux-image-4.4.0-1099-aws (Ubuntu package) - update to 4.4.0.219.226
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to 4.4.0.219.226
linux-image-4.15.0-159-generic-lpae (Ubuntu package) - update to 4.15.0-159.167
linux-image-4.15.0-159-generic (Ubuntu package) - update to 4.15.0-159.167
linux-image-4.15.0-159-lowlatency (Ubuntu package) - update to 4.15.0-159.167
linux-image-4.15.0-1028-dell300x (Ubuntu package) - update to 4.15.0-1028.33
linux-image-4.15.0-1081-oracle (Ubuntu package) - update to 4.15.0-1081.89
linux-image-4.15.0-1096-raspi2 (Ubuntu package) - update to 4.15.0-1096.102
linux-image-4.15.0-1100-kvm (Ubuntu package) - update to 4.15.0-1100.102
linux-image-4.15.0-1109-gcp (Ubuntu package) - update to 4.15.0-1109.123
linux-image-4.15.0-1112-aws (Ubuntu package) - update to 4.15.0-1112.119
linux-image-4.15.0-1113-snapdragon (Ubuntu package) - update to 4.15.0-1113.122
linux-image-4.15.0-1124-azure (Ubuntu package) - update to 4.15.0-1124.137
linux-image-generic-lpae (Ubuntu package) - addressed in versions 4.15.0.159.148, 5.4.0.88.92, 5.11.0.37.39
linux-image-virtual-hwe-16.04 (Ubuntu package) - update to 4.15.0.210.193
linux-image-lowlatency-hwe-16.04 (Ubuntu package) - update to 4.15.0.210.193
linux-image-generic-hwe-16.04 (Ubuntu package) - update to 4.15.0.210.193
linux-image-dell300x (Ubuntu package) - update to 4.15.0.1028.30
linux-image-oracle-lts-18.04 (Ubuntu package) - update to 4.15.0.1081.91
linux-image-raspi2 (Ubuntu package) - addressed in versions 4.15.0.1096.94, 5.4.0.1044.79
linux-image-gcp-lts-18.04 (Ubuntu package) - update to 4.15.0.1109.128
linux-image-aws-lts-18.04 (Ubuntu package) - update to 4.15.0.1112.115
linux-image-snapdragon (Ubuntu package) - update to 4.15.0.1113.116
linux-image-azure-lts-18.04 (Ubuntu package) - update to 4.15.0.1124.97
linux-image-5.4.0-87-generic (Ubuntu package) - update to 5.4.0-87.98~18.04.1
linux-image-5.4.0-87-generic-lpae (Ubuntu package) - update to 5.4.0-87.98~18.04.1
linux-image-5.4.0-87-lowlatency (Ubuntu package) - update to 5.4.0-87.98~18.04.1
linux-image-5.4.0-88-generic-lpae (Ubuntu package) - update to 5.4.0-88.99
linux-image-5.4.0-88-generic (Ubuntu package) - update to 5.4.0-88.99
linux-image-5.4.0-88-lowlatency (Ubuntu package) - update to 5.4.0-88.99
linux-image-5.4.0-1024-gkeop (Ubuntu package) - addressed in versions 5.4.0-1024.25~18.04.1, 5.4.0-1024.25
linux-image-5.4.0-1044-raspi (Ubuntu package) - addressed in versions 5.4.0-1044.48~18.04.1, 5.4.0-1044.48
linux-image-5.4.0-1047-kvm (Ubuntu package) - update to 5.4.0-1047.49
linux-image-5.4.0-1053-gke (Ubuntu package) - addressed in versions 5.4.0-1053.56~18.04.1, 5.4.0-1053.56
linux-image-5.4.0-1053-gcp (Ubuntu package) - addressed in versions 5.4.0-1053.57~18.04.1, 5.4.0-1053.57
linux-image-5.4.0-1055-oracle (Ubuntu package) - addressed in versions 5.4.0-1055.59~18.04.1, 5.4.0-1055.59
linux-image-5.4.0-1057-aws (Ubuntu package) - addressed in versions 5.4.0-1057.60~18.04.1, 5.4.0-1057.60
linux-image-5.4.0-1059-azure (Ubuntu package) - addressed in versions 5.4.0-1059.62~18.04.1, 5.4.0-1059.62
linux-image-5.4.0-1061-azure (Ubuntu package) - addressed in versions 5.4.0-1061.64~18.04.1, 5.4.0-1061.64
linux-image-oem-osp1 (Ubuntu package) - addressed in versions 5.4.0.87.98~18.04.78, 5.4.0.88.92
linux-image-oem (Ubuntu package) - addressed in versions 5.4.0.87.98~18.04.78, 5.4.0.88.92, 5.4.0.202.198
linux-image-generic-lpae-hwe-18.04 (Ubuntu package) - update to 5.4.0.87.98~18.04.78
linux-image-generic-hwe-18.04 (Ubuntu package) - update to 5.4.0.87.98~18.04.78
linux-image-snapdragon-hwe-18.04 (Ubuntu package) - update to 5.4.0.87.98~18.04.78
linux-image-virtual-hwe-18.04 (Ubuntu package) - update to 5.4.0.87.98~18.04.78
linux-image-lowlatency-hwe-18.04 (Ubuntu package) - update to 5.4.0.87.98~18.04.78
linux-image-gkeop-5.4 (Ubuntu package) - addressed in versions 5.4.0.1024.25~18.04.25, 5.4.0.1024.27
linux-image-gkeop (Ubuntu package) - update to 5.4.0.1024.27
linux-image-raspi-hwe-18.04 (Ubuntu package) - update to 5.4.0.1044.47
linux-image-raspi (Ubuntu package) - addressed in versions 5.4.0.1044.79, 5.11.0.1019.17
linux-image-gcp (Ubuntu package) - addressed in versions 5.4.0.1053.39, 5.11.0.1020.20, 6.8.0-1019.21~22.04.1
linux-image-gke-5.4 (Ubuntu package) - addressed in versions 5.4.0.1053.56~18.04.18, 5.4.0.1053.63
linux-image-gke (Ubuntu package) - addressed in versions 5.4.0.1053.63, 5.11.0.1020.20, 6.8.0-1015.19
linux-image-gcp-lts-20.04 (Ubuntu package) - update to 5.4.0.1053.63
linux-image-oracle-lts-20.04 (Ubuntu package) - update to 5.4.0.1055.55
linux-image-oracle (Ubuntu package) - addressed in versions 5.4.0.1055.59~18.04.35, 5.11.0.1019.20~20.04.12, 6.8.0-1017.18~22.04.1
linux-image-aws-lts-20.04 (Ubuntu package) - update to 5.4.0.1057.60
linux-image-azure (Ubuntu package) - addressed in versions 5.4.0.1059.39, 5.4.0.1061.41, 5.11.0.1017.18, 5.11.0.1019.20, 6.8.0-1018.21~22.04.1
linux-image-azure-lts-20.04 (Ubuntu package) - addressed in versions 5.4.0.1059.57, 5.4.0.1061.59
linux-image-5.11.0-37-generic-lpae (Ubuntu package) - update to 5.11.0-37.41~20.04.2
linux-image-5.11.0-37-generic (Ubuntu package) - update to 5.11.0-37.41~20.04.2
linux-image-5.11.0-37-generic-64k (Ubuntu package) - update to 5.11.0-37.41~20.04.2
linux-image-5.11.0-37-lowlatency (Ubuntu package) - update to 5.11.0-37.41~20.04.2
linux-image-5.11.0-1017-azure (Ubuntu package) - update to 5.11.0-1017.18~20.04.1
linux-image-5.11.0-1017-kvm (Ubuntu package) - update to 5.11.0-1017.18
linux-image-5.11.0-1019-azure (Ubuntu package) - update to 5.11.0-1019.20~20.04.1
linux-image-5.11.0-1019-aws (Ubuntu package) - update to 5.11.0-1019.20~20.04.1
linux-image-5.11.0-1019-oracle (Ubuntu package) - update to 5.11.0-1019.20~20.04.1
linux-image-5.11.0-1019-raspi (Ubuntu package) - update to 5.11.0-1019.20
linux-image-5.11.0-1019-raspi-nolpae (Ubuntu package) - update to 5.11.0-1019.20
linux-image-5.11.0-1020-gcp (Ubuntu package) - update to 5.11.0-1020.22
linux-image-generic-64k (Ubuntu package) - update to 5.11.0.37.39
linux-image-oem-20.04 (Ubuntu package) - update to 5.11.0.37.39
linux-image-generic-64k-hwe-20.04 (Ubuntu package) - update to 5.11.0.37.41~20.04.16
linux-image-generic-lpae-hwe-20.04 (Ubuntu package) - update to 5.11.0.37.41~20.04.16
linux-image-generic-hwe-20.04 (Ubuntu package) - update to 5.11.0.37.41~20.04.16
linux-image-lowlatency-hwe-20.04 (Ubuntu package) - update to 5.11.0.37.41~20.04.16
linux-image-virtual-hwe-20.04 (Ubuntu package) - update to 5.11.0.37.41~20.04.16
linux-image-azure-edge (Ubuntu package) - addressed in versions 5.11.0.1017.18~20.04.16, 5.11.0.1019.20~20.04.18
linux-image-raspi-nolpae (Ubuntu package) - update to 5.11.0.1019.17
linux-image-5.13.0-1014-oem (Ubuntu package) - update to 5.13.0-1014.18
linux-image-oem-20.04c (Ubuntu package) - update to 5.13.0.1014.18

External References

Related Security Bulletins